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Finding the Fourth Proportional to 60,843.28, 91,073.68 and 38,681.68

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Solution

The fourth proportional to 60,843.28, 91,073.68 and 38,681.68 is: 57,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,843.28 : 91,073.68 = 38,681.68 : x
  2. Step 2: Convert to fraction form
    60,843.28/91,073.68 = 38,681.68/x
  3. Step 3: Cross multiply
    60,843.28x = 91,073.68 × 38,681.68
  4. Step 4: Simplify right side
    60,843.28x = 3,522,882,946.18
  5. Step 5: Solve for x
    x = 3,522,882,946.18/60,843.28
  6. Step 6: Final answer
    x = 57,900.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.